>>113295491Dib got all of Zim's ego and crippling fear of not being good enough, which compounded with Dib's similar issues of his Dad and no one believing him. When they combined, any morals went out the window, and for Zib, The end would justify literally any means.
Assuming the same rules would follow in other pak merges, he would probably just inherit a bit of their personality, or gain sudden bursts of Irken Loyalty if he merged with a drone.
